DA
David Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Armstrong-County, Pennsylvania
Our Model Tree links this David Adams across the 1920, 1930 and 1940 US Censuses in Armstrong-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Blanch & Blanche — first a son (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Armstrong-County, Pennsylvania |
| Surname | Adams |
| Given Name | David H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Worthington borough |
| 1935 Residence (County) | Armstrong |
| Additional Details | |
| Occupation | 24 |
| Industry | driller |
| Class of Worker | Limestone quarry |
| Hours Worked | 44 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | 24 |
| Township / Ward | Worthington Borough |
| Est. Birth Year | ~1911 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| John Adams | Son | — | 33 | ~1907 |
| David Adams | Son | — | 29 | ~1911 |
| Blanche Adams | Head | — | 61 | ~1879 |
Census Appearances
1920
Armstrong, Pennsylvania
Son, age 8
Armstrong, Pennsylvania · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | David H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Armstrong, Pennsylvania
Son, age 18
Armstrong, Pennsylvania · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | David H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Limestone mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Armstrong-County, Pennsylvania
Son, age 29
Armstrong-County, Pennsylvania · implied b. ~1911 — 3 household members
| Surname | Adams |
| Given Name | David H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Worthington borough |
| 1935 Residence (County) | Armstrong |
| Occupation | 24 |
| Industry | driller |
| Class of Worker | Limestone quarry |
| Hours Worked | 44 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links David Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Blanch Adams (~0.92 confidence) and mother Blanche Adams (~0.92 confidence) and mother Blanche Adams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Blanch Adams
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Blanche Adams
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Blanche Adams
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Adams
Son · 1940 · age 29 · b. ~1911 · Pennsylvania
★ You are viewing this record
Sibling
John Adams
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Armstrong-County, Pennsylvania
Open full size
1940 US Federal Census — Armstrong-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03424-00812)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | J Frank Shoff | 27 | Son | Textile Designer | Pennsylvania |
| 42 | Alex J Willmer | 67 | Head | Fireman | Pennsylvania |
| 43 | Linda Willmer | 64 | Wife | — | Pennsylvania |
| 44 | Blanche Adams | 61 | Head | — | Pennsylvania |
| 45 | John W Adams | 33 | Son | Loom Mender | Pennsylvania |
| 46 | David H Adams THIS PERSON | 29 | Son | 24 | Pennsylvania |
| 47 | Richard Shoff | 33 | Head | Manufacture | Pennsylvania |
| 48 | Elizabeth B Shoff | 32 | Wife | — | California |
| 49 | Francis Maginnes | 21 | Maid | Housework | Pennsylvania |
| 50 | Adam S Mcboneh|Mcbonell | 57 | Head | Coal Digger | Pennsylvania |
| 51 | Blanche Mcboneh|Mcbonell | 57 | Wife | — | Pennsylvania |
| 52 | Flossie Mcboneh|Mcbonell | 15 | Daughter | — | Pennsylvania |
| 53 | Wade M George | 22 | Head | Truck Driver | Pennsylvania |
| 54 | Phyllis George | 24 | Wife | — | Pennsylvania |
| 55 | David George | 6 | Son | — | Pennsylvania |
| 56 | Paul George | 3 | Son | — | Pennsylvania |
| 57 | David Meckling | 31 | Head | Boiler Fireman | Pennsylvania |
| 58 | Clarence Meckling | 28 | Wife | — | Pennsylvania |
| 59 | Dale W Meckling | 8 | Son | — | Pennsylvania |
| 60 | William B Meckling | 6 | Son | — | Pennsylvania |
| 61 | Myrna J Meckling | 2 | Daughter | — | Pennsylvania |
| 62 | Hazel D Stauffer | 38 | Head | — | Pennsylvania |
| 63 | Margaret Stauffer | 18 | Daughter | — | Pennsylvania |
| 64 | Violet Stauffer | 17 | Daughter | — | Pennsylvania |
| 65 | Cora Jean Stauffer | 15 | Daughter | — | Pennsylvania |
| 66 | Marie Stauffer | 13 | Daughter | — | Pennsylvania |
| 67 | Charles Stauffer | 11 | Son | — | Pennsylvania |
| 68 | John George | 35 | Head | 40 | Pennsylvania |
| 69 | Dorothy George | 36 | Wife | — | Pennsylvania |
| 70 | Alma Doris Hepler | 17 | Daughter | — | Pennsylvania |
| 71 | Charles H Carpool | 34 | Head | Laborer | Pennsylvania |
| 72 | Maude S Carpool | 30 | Wife | — | Pennsylvania |
| 73 | Viola Carpool | 10 | Daughter | — | Pennsylvania |
| 74 | Charles Jr Carpool | 7 | Son | — | Pennsylvania |
| 75 | Clarence Carpool | 4 | Son | — | Pennsylvania |
| 76 | Kenneth C Bowser | 39 | Head | 36 | Pennsylvania |
| 77 | Twila R Bowser | 39 | Wife | — | Pennsylvania |
| 78 | Merle Bowser | 6 | Son | — | Pennsylvania |
| 79 | Keith Bowser | 5 | Son | — | Pennsylvania |
| 80 | Raymond Wilson | 33 | Head | Laborer | Pennsylvania |
Pedigree Summary
David + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)